MILFORD — Police are searching for a Worcester man in connection with a stabbing early Saturday morning behind Stacy Middle School.

The stabbing victim, an Upton man, was taken by ambulance to UMass Memorial Medical Center in Worcester. He had a deep laceration in his right arm, but his injury was non-life threatening.

Detectives called to the scene were interviewing witnesses throughout the early morning hours. "The detectives know who he is," Milford Police Chief Thomas O’Loughlin said. "They are working with Worcester police to track him down."